3.2 The mass of oxygen in C,H6O2 is: A. 53 В. 40 С. 26 D. 69 E. 6.7 edited 3:10 AM /

Q: The number of protons in the nuclide neptunium-237 Express your answer as an integer.

A: The mass number is the sum of the number of neutrons and number of protons. The atomic number is…

Q: te 9.53 g of (FM 143.321). What was

A: As you not specify so I am giving answer of first question   Molarity of solute is defined as total…

Q: NUCLEAR CHEMISTRY: Consider the nuclei 117, 50 Sn. Determine its mass defect in kilograms if its…

A:

Q: Since the penny was minted in 1969, only 95.00% by mass of the penny is copper. If the had a mass of…

A: Mass of penny = 3.110g 95% of it is copper The molar mass of copper = 63.546g/mol

Q: Now that you have the contribution from the X-19 isotope (2.715) and from the X-21 isotope (18.00),…

A: Given the contribution from the X-19 isotope = 2.715 amu contribution from the X-21 isotope = 18.00…

Q: at mass a

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Q: NUCLEAR CHEMISTRY: Consider the nuclei 117 50Sn. Determine its mass defect in kilograms if its…

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Q: Data Energy (kJ/mole) AHf -406 AHSub 89 AHDiss 242 IE1 419 -325 EA1 0 = -AH; + AHSub + IE + AHDiss +…

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Q: You wish to prepare 225 grams of 22.2% (w/w) Mn(CH3CO0); . Assume that the density of water is 1.00…

A: Given : w/w % = 22.2 % Mass  = 225g

Q: The cleanup of threat of toxic nuclear isotopes can be permanently eliminated by simply storing it…

A: Toxic nuclear isotopes cannot be permanently eliminated. This is temporary process.

Q: Given that natural sample of iron has isotopes 28Fe54, 28Fe58 and 28Fe57 in the ratio of 5%, 90% and…

A:

Q: NUCLEAR CHEMISTRY: Consider the nuclei 117 50Sn. Determine its mass defect in kilograms if its…

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Q: NUCLEAR CHEMISTRY: Consider the nuclei 117, 50Sn. Determine its mass defect in kilograms if its…

A:

Q: There are two naturally occurring isotopes of Chlorine, 35Cl, 37Cl with masses of 34.97 amu and…

A: Given data,Mass of 35Cl=34.97amuMass of 37Cl=36.966amuAverage atomic mass of Cl=35.453 (taken from…

Q: A mixture containing only A1203 (FM 101.96) and Fe203 (FM 159.69) weighs 2.019 g. When heated under…

A: Since you have posted a question with multiple sub-parts,we will solve first three sub-parts for…

Q: Unkhown B- mass of unknownsulfate 0.48999 maus of Empty Crucible d cover 20 - 43 289 20.9526g 0-5198…

A: Mass of sulfate=mass of barium sulfateFormula mass of barium sulfate×Formula mass of sulfate

Q: Uranium-233 undergoes alpha decay to form thorium-229. The mass loss during this reaction is 0.0055…

A: According to the Einstein mass-energy relation, the mass can be converted into energy. The relation…

Q: Activity (counts/sec) 1 mm Cardboard Туре of Radiation Source No shielding Paper 1 mm Aluminum 7…

A: 1. Alpha particle is a helium nucleus, its penetrating power is negligible.

Q: % mass of element = mass of element * 100% mass of compound Sample Problem 2 When a 13.60-g sample…

A: Since you have posted multiple questions, we will solve only first question for you. If you want any…

Q: NUCLEAR CHEMISTRY: Consider the nuclei Sn with an atomic number of 50 and mass number is 117.…

A:

Q: upplemental Problems from Chapter 2 CCC-Dr. Feudale A 1.446 g sample of potassium reacts with 8.178…

A: Given data,Mass of K=1.446gMass of Cl2=8.178gMass of Cl2 unreacted=6.867g

Q: How many milligrams of a 40 mg sample of cesium-137 remain after 120 years? Express the mass to two…

A: The half life of Cs -137 is about 30.17 yrs.   The radioactive decay follows first order kinetics

Q: The mass defect for the reaction shown below is amu. The atomic masses are 3He (3.0160), 4He…

A: The considered reaction is, 2He23→He24 + 2 H11

Q: NUCLEAR CHEMISTRY: Consider the nuclei 117, 50Sn. Determine its mass defect in kilograms if its…

A:

Q: Part C If 3.50 g of the unknown compound contained 0.117 mol of C and 0.233 mol of H, how many moles…

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Q: Refaene) The decomposition of a sample of a componad produced 1.20 x 10 stoms of artrogen and 16.0…

A:

Q: MCQ 32: Avogadro's constant is the number which was first calculated by A. Joseph Loschmidt B.…

A: It is first calculated by Amedeo Avogadro ,by his name known avogadro constant

Q: NUCLEAR CHEMISTRY: Consider the nuclei 117 50Sn. Determine its mass defect in kilograms if its…

A:

Q: Calculate each of the following:(a) Mass fraction of C in cesium acetate(b) Mass fraction of O in…

A: Molecular formula of cesium acetate is CH3COOCs. Molar mass of CH3COOCs = 2× mass of C + 3×mass of H…

Q: Write A if only statement A is true; Write B if only statement B is true; Write C if both…

A: This type of question required basic knowledge  about Laboratory reactions like reactivity  of…

Q: NUCLEAR CHEMISTRY: Consider the nuclei 11750Sn. Determine its mass defect in kilograms if its atomic…

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Q: Calculate the mass defect (in kg) of 190P; if it has an observed atomic mass of 189.9599 amu. The…

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Q: When mercuric oxide decompose, 18.522 g Mercury and 1.478 g of oxygen forms. How much mercuric oxide…

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Q: Radioactive sodium-24 is used to treat leukemia.  If a patient must receive 190 µCi/kg and the…

A: Radioactivity is a spontaneous process in which an unstable nucleus ejects small energetic particles…

Q: 3.22 Calculate each of the following: (a) Mass fraction of C in cesium acetate (b) Mass fraction of…

A: Mass fraction :- Mass fraction of an atom in a molecule is the ratio of mass that atom to the total…

Q: What is the energy change when the temperature of 14.6 gaseous xenon is decreased from 38.7 °C to of…

A: Given information:Mass of xenon gas = 14.6 gInitial temperature = 38.7 oCFinal temperature = 23.5…

Q: NUCLEAR CHEMISTRY: Consider the nuclei 117, 50 Sn. Determine its mass defect in kilograms if its…

A: Mass defect is the difference between actual mass of an atom and total mass of nucleons (neutrons +…

Q: of a Hydrate 23.43 29.24 26.31 1. Mass of crucible 2. Mass of crucible and hydrate 3. Mass of…

A: The question is based on the concept of molecular formula determination. we have been given…

Q: James Bond claims he has stolen spectre’s nuclear material. It’s a black sphere with a volume of 945…

A: Mass of sphere is 14.3 kg. Volume of sphere is 945 cm3

Q: Pls answer thank you! In order to burn 1 kilogram of CH4 completely, the minimum number of…

A: The required amount of oxygen for complete burn of 1kg methane is calculated as given below.

Q: given that 4 NH3 + 5O2 -> 4NO + 6H2O if 3.00 mol NH3 were made to react with excess of oxygen gas,…

A: The Equation is given as   4 NH3 + 5O2 -> 4NO + 6H2O The amount of H2O formed has to be…

Q: NUCLEAR CHEMISTRY: Consider the nuclei Sn with an atomic number of 50 and mass number is 117.…

A: Given: Mass of proton (mp) = 1.0073amu Mass of neutron (mn)=1.0087amu Mass of atom = 116.986 amu

Q: a rain drop has a mass of 50mg and the entire pacific ocean has a mass of 7.08e20kg. What is the…

A: The mass of the rain drop is 50 mg = 0.05 g. The mass of entire Pacific Ocean is 7.08 × 1020 Kg.

Q: The mass of P4010 (At. Wt 0=16, P=31) that will be obtained from the reaction of 1.33gm of P4 and…

A: Given :  Mass of P4 = 1.33 gm  Mass of O2 = 5.07 gm

Q: Please advise

A: The mass of aluminium present in 0.2785 g of alum is to be determined.

Q: 208 a. 81TI 208 82Pb + ? 106Sg→ 42H +? → °-1ß + 21483Bi b, 263 с. ? '83Bİ d. 8738ST → °oy + ? ->

A: Nuclear reaction: The given reaction is a nuclear reaction. In the nuclear reaction, one nuclide is…

Q: NUCLEAR CHEMISTRY: Consider the nuclei 1150Sn. Determine its mass defect in kilograms if its atomic…

A: Mass defect can be calculated as :-

Q: Carbon Dating The age of an ancient artifact can be deter- mined by the amount of radioactive…

A: Radioactive decay follows first order kinetics. The integrated rate equation for a first order…

Q: How many atoms are in 112 g of iron

A: First of all, calculate the no of moles of iron then no. Of atoms in the calculated moles.

Q: What is the maximum theoretical mass of Compound C that CapeChem could ship each week? Round your…

A: Given: The mass of compound A = 600 Kg. The mass of compound B = 700 Kg. The % yield of compound C =…

Atoms and Molecules

An atom is the smallest unit of an element that possesses all the properties of that particular element. Molecules are the smallest unit of a substance that possess all the properties of that particular substance.